1. This machine is to put 3-7 mm wide elastic belt on the both sides of the face mask blank by the ultrasonic welding.
2. Only 1 operator is needed to put the face mask blank on the moving belt one by one and the finished face mask will be made by the machine automatically.
3. On the basic of the old-style mask machine, this machine has a more stable and high output and changed its rotating way for the ear-loop.
Both the inner and outer ear bands can be welded.